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10003304
A Two-Way Wilkinson Power Divider Realized Using One Eighth Wave Transmission Line for GSM Application
Abstract:
In this paper, a modified Wilkinson power divider for GSM application is presented. The quarter–wavelength microstrip lines in the conventional Wilkinson power divider (WPD) are replaced by one-eighth wavelength transmission line. Wilkinson power divider is designed using λ/4 and λ/8 transmission line. It has the operating frequency of 915 MHz which is used in the GSM standard. The proposed Wilkinson Power Divider is designed using the simulation tool Advanced Design System. The results of λ/8 transmission line are very close to the results of λ/4 transmission line. The isolation loss of λ/8 transmission line is improved by introducing a capacitor between the output ports. The proposed Wilkinson power divider has the best return loss of greater than -10 dB and isolation loss of -15.25 dB. The λ/8 transmission line Wilkinson power divider has the reduced size of 53.9 percentages than λ/4 transmission line WPD. The proposed design has simple structure, better isolation loss and good insertion loss.
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References:

[1] David M. Pozar, Microwave Engineering, Third Edition, pp 308-323, John Wiley and Sons, Inc., 2003.
[2] Jia-Lin Li and Bing-Zhong Wang,” Novel Design of Wilkinson Power Dividers with Arbitrary Power Division Ratios,” IEEE Transactions on Industrial Electronics. Vol. 58, No. 6, JUNE 2011, pp 2541-2546.
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[4] Christos Kalialakis, “Feasibility of Microstrip Wilkinson Power Dividers on FR4 Substrates for L-Band (1-2 GHz) Applications”, High Frequency Electronics, Vol 12(3), 03/2013, pp 24-28.
[5] Lu, Yun Long, et al. "A Broadband Out-of-Phase Power Divider for High Power Applications Using Through Ground via (Tgv)", Progress In Electromagnetics Research, Vol.137, 2013, pp 653-667.
[6] Gupta, Nisha, Pallabi Ghosh, and Megha Toppo, "A miniaturized Wilkinson power divider using DGS and fractal structure for GSM application", Progress In Electromagnetics Research Letters, Vol.27, 2011, pp 25-31.
[7] Faroq Razzaz, Majeed A. S. Alkanhal, and Abdel-Fattah Sheta, “UWB Wilkinson Power Divider Using Tapered Transmission Lines”, PIERS Proceedings, Moscow, Russia, August 19-23, 2012, pp 882-884.
[8] Sung-Yen Juang, Li-Chi Dai, Yu-Ta Chen, Wen-Chian Lai, and Pu-Hua Deng,”New Wilkinson Power Dividers Using Dual and T shaped Transmission lines”, Progress In Electromagnetics Research Symposium Proceedings, Moscow, Russia, August 19-23, 2012, pp 853-856.
[9] S. A. Mohassieb, I. M. Barseem1, E. A.-F. Abdallah, and H. M. El- Hennawy,” A Compact Microstrip Power Divider Using Periodic DGS and HIOS”, Progress In Electromagnetics Research Symposium Proceedings, Xi'an, China, March 22-26, 2010, pp 531-534.
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